Repair and Diagnosis

You are viewing the "split tree" of links. The tree is cut off at a certain depth to keep the page loading fast, but you may have to click multiple links to get to the content you want.
View "full tree" with all links on one page (will load slowly, but easier to use ctrl-f to search all pages)

Expand All (for easy ctrl-f) Collapse All

• Quick Lookups
  • DTC Index
    • DTC Index (P0420 - P0501)
    • DTC Index (P0420 - P2088)
    • DTC Index (P0420 - U0093)
    • DTC Index (P0420 - U35FF)
  • Fluids
  • Technical Bulletins
    • Technical Service Bulletins
  • Tire Fitment
  • Wiring Diagrams
    • OEM Wiring Diagrams 12 V Sockets, Cigarette Lighter
    • OEM Wiring Diagrams 4.0L Gasoline Engine , DHUB,DWNA,DWNB
    • OEM Wiring Diagrams 48 V System , (VH2),(VH3)
    • OEM Wiring Diagrams A/C System , (9AD)
    • OEM Wiring Diagrams A/C System , (9AE)
    • OEM Wiring Diagrams A/C System , (9AQ)
    • OEM Wiring Diagrams A/C System , (9AU)
    • OEM Wiring Diagrams A/C System , (KH5)
    • OEM Wiring Diagrams Access And Start Authorization , (2F0)
    • OEM Wiring Diagrams Access And Start Authorization , (2F1)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T3),(8T8)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T4),(8T5)
    • OEM Wiring Diagrams Airbag Systems , (4UE),(4UF)
    • OEM Wiring Diagrams Airbag Systems (USA) , (4UB)
    • OEM Wiring Diagrams All-Wheel Drive , (GH2)
    • OEM Wiring Diagrams Anti-Lock Brake System (Abs)
    • OEM Wiring Diagrams Assistance Systems , (JX1)
    • OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
    • OEM Wiring Diagrams Automatic Transmission , (0K3)
    • OEM Wiring Diagrams Automatic Transmission , (G1G),(T1M),(FN1)
    • OEM Wiring Diagrams Automatic Transmission 8-Speed 0D5/0D6 , (G1G),(T1M),(T2G),(T7V),(T9I),(TS8)
    • OEM Wiring Diagrams Automatic Transmission 8-Speed 0D5/0D6 , (G1G),(Ti4)
    • OEM Wiring Diagrams Battery, Starter And Generator , (0K0)
    • OEM Wiring Diagrams Battery, Starter And Generator , (0K4)
    • OEM Wiring Diagrams Cd Changer , (7D5)
    • OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV),(9ZX)
    • OEM Wiring Diagrams Center Console Switch
    • OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4)
    • OEM Wiring Diagrams Convenience System
    • OEM Wiring Diagrams Digital TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
    • OEM Wiring Diagrams Door, Driver , (L0L)
    • OEM Wiring Diagrams Door, Front Passenger , (L0L)
    • OEM Wiring Diagrams Door, Left Rear , (L0L)
    • OEM Wiring Diagrams Door, Right Rear , (L0L)
    • OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
    • OEM Wiring Diagrams Dynamic Sway Stabilization , (1P7)
    • OEM Wiring Diagrams Emergency Call Module , (IV0),(IW1),(IW3),(IW5)
    • OEM Wiring Diagrams Emergency Call Module , (IV1),(IV2),(IV4),(IV5),(IV6),(IV7),(IV8)
    • OEM Wiring Diagrams Engine Sound Generator , (0K3)
    • OEM Wiring Diagrams Fuel System , (1VG)
    • OEM Wiring Diagrams Fuel System , (1VJ),(1VH)
    • OEM Wiring Diagrams Fuse Positions , (L0L)
    • OEM Wiring Diagrams Garage Door Opener , (VC2)
    • OEM Wiring Diagrams Headlamps Led , (8G0),(8G1)
    • OEM Wiring Diagrams Headlamps Led With Matrix Beam , (8G5)
    • OEM Wiring Diagrams High-Voltage Battery System , (0K3)
    • OEM Wiring Diagrams High-Voltage System , (0K3)
    • OEM Wiring Diagrams High-Voltage System Charging Socket , (Es3)
    • OEM Wiring Diagrams Horn, Dual Tone
    • OEM Wiring Diagrams Infotainment Most Bus
    • OEM Wiring Diagrams Instrument Cluster , (9S7),(9S8),(9S9)
    • OEM Wiring Diagrams Lane Change Assistance , (7Y1)
    • OEM Wiring Diagrams Level Control System , (1BK),(1BL),(2MA),(2MB)
    • OEM Wiring Diagrams Light Switch
    • OEM Wiring Diagrams MMI (Information Electronics 1)
    • OEM Wiring Diagrams MMI Navigation Plus , (I8T)
    • OEM Wiring Diagrams MMI With Radio , (I8E)
    • OEM Wiring Diagrams MULTIFUNCTION Steering Wheel , (1XP),(1XW),(2FJ),(2PF)
    • OEM Wiring Diagrams Multimedia System , (9WQ)
    • OEM Wiring Diagrams Network Data Bus
    • OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
    • OEM Wiring Diagrams Night Vision System , (9R1)
    • OEM Wiring Diagrams Parking Distance Control , (7X1),(7X2)
    • OEM Wiring Diagrams Parking Distance Control , (7X5)
    • OEM Wiring Diagrams Parking Distance Control , (KA6)
    • OEM Wiring Diagrams Peripheral Camera , (KA6)
    • OEM Wiring Diagrams Power Rear Lid , (4E7),(3U7)
    • OEM Wiring Diagrams Power Steering, Electromechanical
    • OEM Wiring Diagrams Rain/Light Recognition Sensor
    • OEM Wiring Diagrams Rear Axle Steering, Electromechanical , (0N5)
    • OEM Wiring Diagrams Rear Window Defogger, Windshield Defogger
    • OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
    • OEM Wiring Diagrams Reducing Agent Metering System
    • OEM Wiring Diagrams Roof Module
    • OEM Wiring Diagrams Seat Heating , (4A3),(4A4),(L0L)
    • OEM Wiring Diagrams Seat Heating, Front , (3NS),(L0L),(Q1D),(Q4Q)
    • OEM Wiring Diagrams Seat Heating, Front , (Av2),(Q4Q)
    • OEM Wiring Diagrams Seat Heating, Front , (Q4Q)
    • OEM Wiring Diagrams Seat Ventilation , (L0L),(4D3),(4D8)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3PN),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1A),(3L5)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1D)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q2J),(Q4Q)
    • OEM Wiring Diagrams Seats, Heated Rear , (L0L),(Q1A),(Q2J)
    • OEM Wiring Diagrams Sound System , (8RF)
    • OEM Wiring Diagrams Sound System , (9VD)
    • OEM Wiring Diagrams Sound System , (9VS)
    • OEM Wiring Diagrams Steering Column Adjustment , (2C7)
    • OEM Wiring Diagrams Sunroof, Panorama , (3FU)
    • OEM Wiring Diagrams Tail Lamps With Led, Only For Us Equipment , (8SP),(Av2)
    • OEM Wiring Diagrams Tail Lamps With Led, Only For Us Equipment , (8SQ),(Av2)
    • OEM Wiring Diagrams Tail Lamps With LEDS , (8SK)
    • OEM Wiring Diagrams Tail Lamps With LEDS , (8SQ)
    • OEM Wiring Diagrams Thermal Management , (0K3)
    • OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
    • OEM Wiring Diagrams Trailer Mode , (1D1)
    • OEM Wiring Diagrams Trailer Mode , (1D3),(1D9)
    • OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1),(B39)
    • OEM Wiring Diagrams USB Connections For Data Transfer , (UF7),(UF8)
    • OEM Wiring Diagrams Vanity Mirror
    • OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
    • OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PA),(L0L)
    • OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PF),(L0L) ***Block***
    • Using lemon2025'S System Wiring Diagrams
    • Wiring
• Accessories & Equipment
  • Anti-Theft Systems
    • Front Doors, Central Locking System
    • Interior Lights, Switches
  • Collision/Avoidance
    • Driver Assistance Systems
  • Communication Devices
    • General, Technical Data (Communication)
  • Drivers Assistance Systems - ADAS
    • Driver Assistance Systems
    • General, Technical Data (Driver Assistance Systems)
  • Entertainment Systems
    • Communication
  • Exterior Lights, Switches
  • Gauges & Instrument Panels
    • Instruments
    • Interior Equipment
  • Infotainment
    • Communication
    • General, Technical Data (Communication)
  • Interior/Exterior Trim
    • Exterior Equipment
    • General, Technical Data (Body Interior)
    • Interior Equipment
    • Interior Trim
  • Mirrors
    • Exterior Equipment
    • Interior Equipment
  • Seats
    • General, Technical Data (Seats)
    • Seat Frames
    • Seat Upholstery, Covers
  • Warning Systems
    • Driver Assistance Systems
  • Window Motors & Regulators
    • Front Doors, Central Locking System
    • Glass, Window Regulators
    • Rear Doors
  • Wiper/Washer Systems
• Body & Frame
  • Door Locks
    • Front Doors, Central Locking System
    • Interior Lights, Switches
  • Exterior Body Panels
    • Body Center, Chassis, Roof
    • Body Front
    • Body Front (Members & CROSSMEMBERS)
    • Body Rear
    • Bumpers
    • Exterior Equipment
    • Front Doors, Central Locking System
    • General, Technical Data (Body Exterior)
    • General, Technical Data (Body Repair)
    • General, Technical Data (Paint)
    • Hood, Lids
    • Paint
    • Rear Doors
  • Exterior/Interior Trim
    • Exterior Equipment
    • General, Technical Data (Body Interior)
    • Interior Equipment
    • Interior Trim
  • Mirrors
    • Exterior Equipment
    • Interior Equipment
  • Seats
    • General, Technical Data (Seats)
    • Seat Frames
    • Seat Upholstery, Covers
  • Sun Roof/T-Top/Convertible Top
    • Sunroof
  • Windows
    • Front Doors, Central Locking System
    • Glass, Window Regulators
    • Rear Doors
• Brakes
  • Anti-Lock Brakes
    • Antilock Brake System
  • Mechanical - Hydraulic
    • Brake System (Hydraulic Components)
    • Brake System (Mechanical Components)
    • General, Technical Data (Brake System)
  • Parking Brake System
    • Brake System (Mechanical Components)
  • Traction Control
    • Antilock Brake System
• Drivelines & Axles
  • Axle Shafts
    • Final Drive, Differential (8-Speed Automatic Transmission 0D6)
    • Final Drive, Differential (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
  • Differentials & Drive Axles
    • Final Drive, Differential (8-Speed Automatic Transmission 0D6)
    • Final Drive, Differential (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
    • General, Technical Data (Rear Final Drive 0D2, 0D3, 0DB, 0B0, 0BX, 0DG, 0G2, 09R)
• Electrical
  • Body Electrical
    • General, Technical Data (Electrical Equipment)
    • Wiring
  • Charging Systems
    • Battery, Starter, Generator, Cruise Control
    • General, Technical Data (Electrical Equipment)
  • Fuses & Circuit Breakers
    • Wiring
  • Gauges
    • Instruments
    • Interior Equipment
  • Motors, Switches, Relays
    • General, Technical Data (Electrical Equipment)
    • Wiring
  • Wiring Diagrams
    • OEM Wiring Diagrams 12 V Sockets, Cigarette Lighter
    • OEM Wiring Diagrams 4.0L Gasoline Engine , DHUB,DWNA,DWNB
    • OEM Wiring Diagrams 48 V System , (VH2),(VH3)
    • OEM Wiring Diagrams A/C System , (9AD)
    • OEM Wiring Diagrams A/C System , (9AE)
    • OEM Wiring Diagrams A/C System , (9AQ)
    • OEM Wiring Diagrams A/C System , (9AU)
    • OEM Wiring Diagrams A/C System , (KH5)
    • OEM Wiring Diagrams Access And Start Authorization , (2F0)
    • OEM Wiring Diagrams Access And Start Authorization , (2F1)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T3),(8T8)
    • OEM Wiring Diagrams Adaptive Cruise Control , (8T4),(8T5)
    • OEM Wiring Diagrams Airbag Systems , (4UE),(4UF)
    • OEM Wiring Diagrams Airbag Systems (USA) , (4UB)
    • OEM Wiring Diagrams All-Wheel Drive , (GH2)
    • OEM Wiring Diagrams Anti-Lock Brake System (Abs)
    • OEM Wiring Diagrams Assistance Systems , (JX1)
    • OEM Wiring Diagrams Automatic Dimming Interior Rearview Mirror
    • OEM Wiring Diagrams Automatic Transmission , (0K3)
    • OEM Wiring Diagrams Automatic Transmission , (G1G),(T1M),(FN1)
    • OEM Wiring Diagrams Automatic Transmission 8-Speed 0D5/0D6 , (G1G),(T1M),(T2G),(T7V),(T9I),(TS8)
    • OEM Wiring Diagrams Automatic Transmission 8-Speed 0D5/0D6 , (G1G),(Ti4)
    • OEM Wiring Diagrams Battery, Starter And Generator , (0K0)
    • OEM Wiring Diagrams Battery, Starter And Generator , (0K4)
    • OEM Wiring Diagrams Cd Changer , (7D5)
    • OEM Wiring Diagrams Cell Phone System , (9ZE),(9ZV),(9ZX)
    • OEM Wiring Diagrams Center Console Switch
    • OEM Wiring Diagrams Communication , (IV1),(IV2),(IV3),(IV4),(IV5),(IV6),(IV7),(IV8),(IV9),(JE0),(JE1),(JE3),(JE4)
    • OEM Wiring Diagrams Convenience System
    • OEM Wiring Diagrams Digital TV Tuner , (Q0A),(Q0B),(QU1),(QV1)
    • OEM Wiring Diagrams Door, Driver , (L0L)
    • OEM Wiring Diagrams Door, Front Passenger , (L0L)
    • OEM Wiring Diagrams Door, Left Rear , (L0L)
    • OEM Wiring Diagrams Door, Right Rear , (L0L)
    • OEM Wiring Diagrams Driver Assistance Systems Front Camera , (QK1)
    • OEM Wiring Diagrams Dynamic Sway Stabilization , (1P7)
    • OEM Wiring Diagrams Emergency Call Module , (IV0),(IW1),(IW3),(IW5)
    • OEM Wiring Diagrams Emergency Call Module , (IV1),(IV2),(IV4),(IV5),(IV6),(IV7),(IV8)
    • OEM Wiring Diagrams Engine Sound Generator , (0K3)
    • OEM Wiring Diagrams Fuel System , (1VG)
    • OEM Wiring Diagrams Fuel System , (1VJ),(1VH)
    • OEM Wiring Diagrams Fuse Positions , (L0L)
    • OEM Wiring Diagrams Garage Door Opener , (VC2)
    • OEM Wiring Diagrams Headlamps Led , (8G0),(8G1)
    • OEM Wiring Diagrams Headlamps Led With Matrix Beam , (8G5)
    • OEM Wiring Diagrams High-Voltage Battery System , (0K3)
    • OEM Wiring Diagrams High-Voltage System , (0K3)
    • OEM Wiring Diagrams High-Voltage System Charging Socket , (Es3)
    • OEM Wiring Diagrams Horn, Dual Tone
    • OEM Wiring Diagrams Infotainment Most Bus
    • OEM Wiring Diagrams Instrument Cluster , (9S7),(9S8),(9S9)
    • OEM Wiring Diagrams Lane Change Assistance , (7Y1)
    • OEM Wiring Diagrams Level Control System , (1BK),(1BL),(2MA),(2MB)
    • OEM Wiring Diagrams Light Switch
    • OEM Wiring Diagrams MMI (Information Electronics 1)
    • OEM Wiring Diagrams MMI Navigation Plus , (I8T)
    • OEM Wiring Diagrams MMI With Radio , (I8E)
    • OEM Wiring Diagrams MULTIFUNCTION Steering Wheel , (1XP),(1XW),(2FJ),(2PF)
    • OEM Wiring Diagrams Multimedia System , (9WQ)
    • OEM Wiring Diagrams Network Data Bus
    • OEM Wiring Diagrams Network Data Bus (FLEXRAY Bus)
    • OEM Wiring Diagrams Night Vision System , (9R1)
    • OEM Wiring Diagrams Parking Distance Control , (7X1),(7X2)
    • OEM Wiring Diagrams Parking Distance Control , (7X5)
    • OEM Wiring Diagrams Parking Distance Control , (KA6)
    • OEM Wiring Diagrams Peripheral Camera , (KA6)
    • OEM Wiring Diagrams Power Rear Lid , (4E7),(3U7)
    • OEM Wiring Diagrams Power Steering, Electromechanical
    • OEM Wiring Diagrams Rain/Light Recognition Sensor
    • OEM Wiring Diagrams Rear Axle Steering, Electromechanical , (0N5)
    • OEM Wiring Diagrams Rear Window Defogger, Windshield Defogger
    • OEM Wiring Diagrams Rearview Camera (Rear Assist) , (KA2)
    • OEM Wiring Diagrams Reducing Agent Metering System
    • OEM Wiring Diagrams Roof Module
    • OEM Wiring Diagrams Seat Heating , (4A3),(4A4),(L0L)
    • OEM Wiring Diagrams Seat Heating, Front , (3NS),(L0L),(Q1D),(Q4Q)
    • OEM Wiring Diagrams Seat Heating, Front , (Av2),(Q4Q)
    • OEM Wiring Diagrams Seat Heating, Front , (Q4Q)
    • OEM Wiring Diagrams Seat Ventilation , (L0L),(4D3),(4D8)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3L4),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (3PN),(Q1A)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1A),(3L5)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q1D)
    • OEM Wiring Diagrams Seats Adjustment, Front Only , (Q2J),(Q4Q)
    • OEM Wiring Diagrams Seats, Heated Rear , (L0L),(Q1A),(Q2J)
    • OEM Wiring Diagrams Sound System , (8RF)
    • OEM Wiring Diagrams Sound System , (9VD)
    • OEM Wiring Diagrams Sound System , (9VS)
    • OEM Wiring Diagrams Steering Column Adjustment , (2C7)
    • OEM Wiring Diagrams Sunroof, Panorama , (3FU)
    • OEM Wiring Diagrams Tail Lamps With Led, Only For Us Equipment , (8SP),(Av2)
    • OEM Wiring Diagrams Tail Lamps With Led, Only For Us Equipment , (8SQ),(Av2)
    • OEM Wiring Diagrams Tail Lamps With LEDS , (8SK)
    • OEM Wiring Diagrams Tail Lamps With LEDS , (8SQ)
    • OEM Wiring Diagrams Thermal Management , (0K3)
    • OEM Wiring Diagrams Tire Pressure Monitoring , (7K3),(7K4)
    • OEM Wiring Diagrams Trailer Mode , (1D1)
    • OEM Wiring Diagrams Trailer Mode , (1D3),(1D9)
    • OEM Wiring Diagrams Trailer Mode, Only For Us Equipment , (5C1),(B39)
    • OEM Wiring Diagrams USB Connections For Data Transfer , (UF7),(UF8)
    • OEM Wiring Diagrams Vanity Mirror
    • OEM Wiring Diagrams Windshield Projection Head Up Display , (KS1)
    • OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PA),(L0L)
    • OEM Wiring Diagrams Wiper And Washer System, Heated Spray Nozzles, Windshield And Headlamp , (9PF),(L0L) ***Block***
    • Using lemon2025'S System Wiring Diagrams
    • Wiring
• Engine Mechanical
  • Auxiliary Emission Control Systems
    • Exhaust System, Emission Controls (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Exhaust System, Emission Controls (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Blowers, Superchargers & Turbochargers
    • Turbocharger, Supercharger (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Turbocharger, Supercharger (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Cooling System (Mechanical)
    • Cooling System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Cooling System (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Exhaust
    • Exhaust System, Emission Controls (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Exhaust System, Emission Controls (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Body Repair)
    • General, Technical Data (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Fuel System
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Fuel Supply
    • General, Technical Data (Fuel Supply - Gasoline Engines)
    • MULTIPORT Fuel Injection (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • MULTIPORT Fuel Injection (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Lubrication System
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Oil Gauge Tester T40178 Service Values)
    • General, Technical Data (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Lubrication (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Lubrication (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Mechanical
    • Crankshaft, Cylinder Block (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Crankshaft, Cylinder Block (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Cylinder Head, VALVETRAIN (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Cylinder Head, VALVETRAIN (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Body Repair)
    • General, Technical Data (Fuel Supply - Gasoline Engines)
    • General, Technical Data (Oil Gauge Tester T40178 Service Values)
    • General, Technical Data (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Lubrication (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Lubrication (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
• Engine Performance
  • Emissions
    • Emission Applications
    • Emission Control Abbreviations
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
  • Fuel Delivery
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Fuel Supply
    • General, Technical Data (Fuel Supply - Gasoline Engines)
    • MULTIPORT Fuel Injection (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • MULTIPORT Fuel Injection (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Ignition System
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
  • Specifications
    • Firing Order & Cylinder Identification
  • Tune-Up
    • Engine Assembly (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Engine Assembly (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • General, Technical Data (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (8-Cylinder Direct Injection 4.0L 4V TFSI Engine Ea825)
    • Ignition/Glow Plug System (Servicing 8-Cylinder 4.0L 4V TFSI Engine Ea825)
• General Information
  • Abbreviations
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
  • Basic Trouble Shooting
    • Basic Trouble Shooting - General Information
    • Commonly Used Abbreviations - General Information
    • Emission Control Abbreviations
    • Engine Performance - Trouble Shooting - General Information
  • Brakes
    • Anti-Lock Brake Safety Precautions - General Information
    • Map - Brake Systems
    • Map - Routine Inspection Reference Guide
  • Check Lists
    • Symptom Check List Worksheet - General Information
  • Driveline/Axles
    • Drive Axle Noise Diagnosis - General Information
    • Gear Tooth Contact Patterns - General Information
    • Map - Drive Train & Transmission
    • Trouble Shooting - Clutches - General Information
  • DTC Index
    • DTC Index (P0420 - P0501)
    • DTC Index (P0420 - P2088)
    • DTC Index (P0420 - U0093)
    • DTC Index (P0420 - U35FF)
  • Electrical
    • Map - Electrical Systems
    • Using lemon2025'S System Wiring Diagrams
  • Engine
    • Engine Overhaul Procedures - General Information
    • General Cooling System Service - General Information
  • Engine Performance
    • Electrostatic Discharge Warning - General Information
    • Engine Performance Diagnostic Routine Outline - General Information
    • Engine Performance Safety Precautions
    • Map - Engine Performance & Maintenance
    • Parasitic Load Explanation & Test Procedures - General Information
    • State Emission Standards - Diesel
    • State Emission Standards - Gas
    • Waveforms - Injector Pattern Tutorial - General Information
  • Map - Exhaust Systems
  • Heating, Ventilation & A/C (HVAC)
    • Map - Heating, Ventilation, & Air Conditioning
  • Identification
    • CANADIAN Model Cross-Reference
  • Metric Conversions
    • Engine Displacement Conversion Table - ECAT
    • Metric Conversions
  • Steering
    • Map - Steering, Suspension, Wheel Alignment, Wheels & Tires
    • Wheel Alignment Theory & Operation - General Information
  • Trouble Shooting - Manual Transmission - General Information
• Heating, Ventilation & A/C (HVAC)
  • HVAC Control Systems
    • Air Conditioning (A/C Compressor - Heat Pump)
    • Air Conditioning (Actuators - Air Ionization)
    • Air Conditioning (Refrigerant Circuit)
    • General, Technical Data (Heating, Ventilation And Air Conditioning)
    • Heating, Ventilation
• Hybrid/Electric Powertrain
  • Battery Management Systems
    • General, Technical Data (Body Repair)
• Restraints
  • Air Bag, SRS
    • Passenger Protection, Airbags, Seat Belts
  • Passive Restraints
    • Passenger Protection, Airbags, Seat Belts
• Steering
  • Steering Column
  • Steering Gear
  • Steering Linkage
• Suspension
  • Electronic Suspension
    • Self-Leveling Suspension
  • Front Suspension
    • Front Suspension
    • General, Technical Data (Suspension, Wheels, Steering)
  • Rear Suspension
    • General, Technical Data (Suspension, Wheels, Steering)
    • Rear Suspension
  • Wheels, Tires, Wheel Alignment
  • Wheels & Tire System
    • General, Technical Data (Suspension, Wheels, Steering)
• Transmission
  • Automatic Trans
    • General, Technical Data (8-Speed Automatic Transmission 0D6)
    • Torque Converter (Od6)
  • Manual Trans
    • Gears, Hydraulic Controls (Od6)
  • Transmission Control Systems
    • Controls, Housing (8-Speed Automatic Transmission 0D6)
    • Gears, Hydraulic Controls (Od6)
    • General, Technical Data (8-Speed Automatic Transmission 0D6)
• External Pages